Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
metco.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 21:07:51 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 1
- mx02.hornetsecurity.com: 5
- mx03.hornetsecurity.com: 0
A / AAAA Records
- 51.83.223.167 ↩ mail.sienois.mx
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns2.metco.com.mx metco.metco.com.mx 2026021301 10800 3600 1209600 10800
Primary NS (mname)
ns2.metco.com.mx
Admin Email (rname)
metco@metco.com.mx
Serial
2026021301
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.metco.com.mx
ns1.metco.com.mx
SPF Record
✓ Strict (-all)
v=spf1 ip4:51.83.223.167 ip4:201.116.25.4 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=20;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:51.83.223.167 ip4:201.116.25.4 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
Full email verification for metco.com.mx
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits